Development and Needs Assessment and Efficiency of Smart Communication System for Patients With ALS.

Part one: Inclusion Criteria: * ALS diagnostic criteria (Brooks et al., 2000).Must have the following characteristics: 1. Degeneration of motor neurons (LMN) by clinical, electrophysiological or neuropathological evidence. 2. Degeneration of upper motor neurons (UMN) is demonstrated by clinical examination. 3. According to the medical history or examination, the symptoms or signs gradually disappear in a certain part. Also, there are no features: 1. Electrophysiological or pathological evidence of other diseases that may explain signs of LMN and/or UMN degradation 2. Neuroimaging evidence of other diseases that may explain the observed clinical electrophysiological signs. * Use Mandarin as the main language. * Age limits minimum is 20 Exclusion Criteria: * Concomitant other central nervous disorders that interfere with their cognitive function, such as dementia, severe depression, and psychosis. * The questionnaire cannot be completed without the assistance of others. Part two: Inclusion Criteria: * ALS diagnostic criteria (Brooks et al., 2000). * Use Mandarin as the main language. * Age limits minimum is 20 * In everyday oral communication, people who are consciously difficult. * Ability to perform equipment wear and system operators. Exclusion Criteria: * Concomitant other central nervous disorders that interfere with their cognitive function, such as dementia, severe depression, and psychosis. * After correction, the visual acuity cannot see the communication board. * The scalp is sensitive or there is deep brain stimulation, etc. It is not applicable to brain wave measurement. * -The questionnaire cannot be completed without the assistance of others.